(E)-4-Bromocrotonic Acid acts as a fatty acid blocking agent. It is used to selectively adjust levels of long-chain acyl CoA and carnitine in aerobic and ischemic myocardium. It is also an intermediate used to prepare tetrahydropyridothienopyrimidine derivatve with antiproliferative activities.

CAS：13991-36-1
中文别名：(2E)-4-溴-2-丁烯酸;4-溴代巴豆酸;反-4-溴-2-丁烯酸;
英文别名：(E)-4-bromocrotonic acid;(E)-BrCH2CH=CHCO2H;4-BroMobut-2-enoic acid;(2E)-4-Bromo-2-butenoic acid;2-Butenoic acid,4-bromo-,(E);4-bromo crotonic acid;trans-4-Bromo-2-butenoic Acid;bromocrotonic acid;TRANS-4-BROMO-2-BUTENOIC ACID;4-Bromocrotonic Acid;(E)-4-Bromo-2-butenoic acid;
分子式：C4H5BrO2
分子量：164.985
精确质量：163.947
Psa：37.3
Logp：1.0221

密度：1.718g/cm3
沸点：287.6ºC at 760mmHg
熔点：74ºC
闪点：127.7ºC
折射率：1.536
储存条件：Refrigerator
蒸汽压：0.000626mmHg at 25°C

安全说明：S36/37/39
危险类别码：R34
危险品运输编码：UN 3261
海关编码：2916190090